INDIA, Islamic Sultanates. Delhi. Qutb al-Din Mubarark. AH 716-720 / AD 1316-1320. AV Square Tanka (23x23mm, 10.99 g, 12h). Hadrat Dar al-Khilaifa (Delhi) mint. Dated AH 718 (AD 1318/19). al-imam legend / al-sultan within linear quadrate border; mint formula and AH date in outer margin. CIS D247; Rjagor Type 1046. Light toning in devices, light scuffs on reverse. Good VF. Clear mint and AH date.